Abstract

An observation has been made for the first time of the splitting of the plasma reflection minimum that appears when the energy \ vp of the plasma vibrations of free charge carriers approaches the interband transition at point L of the Brillouin zone, Ep . The approach of the indicated energies is caused by doping bismuth crystals with the acceptor impurity tin. The cause of the splitting is the electron-plasmon interaction.

Optical Properties of Antimony and Bismuth Crystals

A. P. Lenham, D. M. Treherne, and R. J. Metcalfe
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Optical and Electrical Properties of Bismuth Deposits*

Louis Harris and John Piper
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Optical properties of bismuth trifluoride thin films

T. J. Moravec, R. A. Skogman, and E. Bernal G.
Appl. Opt. 18(1) 105-110 (1979)

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Optical properties of bismuth nanostructures towards the ultrathin film regime

Johann Toudert, Rosalia Serna, Claire Deeb, and Esther Rebollar
Opt. Mater. Express 9(7) 2924-2936 (2019)